🕐 Business Hours
📞 Contact
About This Station
Custom Diesel Service LLC has earned a 4.7⭐ rating with 158 reviews for exceptional diesel mechanic expertise in Allentown. With over 7 years of loyal customer relationships, the team—including Dennis and Todd—consistently delivers same-day diagnostics and repairs, even accommodating emergency after-hours calls. Customers praise their reliability for heavy trucks, trailers, and tractor-trailers stuck on major routes.
Customer Reviews
Inspection Services
This station is PennDOT certified to perform the following inspections:
Cars & Light Vehicles
Standard passenger vehicle safety inspections
Trailers
Standard trailer safety inspections
Heavy Trailers
Large trailer inspections (10,001+ lbs)
Amenities & Features
Pro Tips
From Customer ReviewsLocation & Directions
1513-25 E Jonathan St, Allentown, PA 18109
Get DirectionsFrequently Asked Questions
What vehicles can be inspected at this station?
This station is PennDOT certified to inspect: Cars & Light Vehicles, Trailers, Heavy Trailers.
What are the business hours?
Check the business hours section above for current operating hours. We recommend calling ahead to confirm availability.
How long does a vehicle inspection take?
Most vehicle inspections take between 30-60 minutes, depending on the vehicle type and current wait times. Call ahead to check wait times.
What do I need to bring for my inspection?
Bring your vehicle registration, proof of insurance, and ensure all lights, wipers, horn, and safety equipment are working properly before your visit.
What are common reasons for inspection failure?
Common failures include: broken or dim lights, worn tires (less than 2/32" tread), windshield cracks in driver's view, non-functioning wipers, and emissions issues.
How much does a PA car inspection cost?
PA safety inspections typically cost $35-$50. Emissions testing (required in certain counties) adds $38-$45. Contact the station directly for current pricing.
What if my vehicle fails inspection?
If your vehicle fails, you have until the end of the following month to make repairs and return for a free reinspection at the same station.